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Lunar Leaper

Gravity on the Moon is about 1/6th that on the Earth. A pole-vaulter 2 metres tall can clear a 5 metres pole on the Earth. How high a pole could he clear on the Moon?

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Stonehenge

Explain why, when moving heavy objects on rollers, the object moves twice as fast as the rollers. Try a similar experiment yourself.

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Differential Equation Matcher

Match the descriptions of physical processes to these differential equations.

Ideal Gases

Age 16 to 18 Challenge Level:
Remember that the energy of a gas particle is $\frac{3}{2}kT$ where k is Boltzmann's constant and T is temperature in kelvin.